1005546646 has 16 divisors (see below), whose sum is σ = 1626691248. Its totient is φ = 463428000.

The previous prime is 1005546643. The next prime is 1005546679. The reversal of 1005546646 is 6466455001.

It is a super-2 number, since 2×1005546646² = 2022248114563698632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005546643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9360 + ... + 45811.

It is an arithmetic number, because the mean of its divisors is an integer number (101668203).

Almost surely, 2^1005546646 is an apocalyptic number.

1005546646 is a deficient number, since it is larger than the sum of its proper divisors (621144602).

1005546646 is a wasteful number, since it uses less digits than its factorization.

1005546646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55887.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1005546646 is about 31710.3555010031. The cubic root of 1005546646 is about 1001.8454741301.

The spelling of 1005546646 in words is "one billion, five million, five hundred forty-six thousand, six hundred forty-six".